2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[[2-hydroxy-5-(aminosulfonyl)phenyl]azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid sodium salt

CAS No.
6528-58-1
Chemical Name:
2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[[2-hydroxy-5-(aminosulfonyl)phenyl]azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid sodium salt
Synonyms
C.I.30150;Direct Brown 175;C.I.Direct Brown 175;C.I.Direct Brown 175:C.I.30150;2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[[2-hydroxy-5-(aminosulfonyl)phenyl]azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid sodium salt
CBNumber:
CB12171408
Molecular Formula:
C31H24N7NaO8S
Molecular Weight:
677.62
MDL Number:
MOL File:
6528-58-1.mol

2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[[2-hydroxy-5-(aminosulfonyl)phenyl]azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid sodium salt Properties

EPA Substance Registry System C.I. Direct Brown 175 (6528-58-1)

2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[[2-hydroxy-5-(aminosulfonyl)phenyl]azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid sodium salt Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid , and then and 3-Amino-4-hydroxybenzenesulfonamide diazo, and Resorcinol coupled to accidentally coupled nitrogen compounds.

Properties and Applications

brown

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 1 3 5-6 4-5 5
AATCC 2 3 5-6 4 5

2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[[2-hydroxy-5-(aminosulfonyl)phenyl]azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid sodium salt Preparation Products And Raw materials

2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[[2-hydroxy-5-(aminosulfonyl)phenyl]azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid sodium salt C.I.30150 C.I.Direct Brown 175 C.I.Direct Brown 175:C.I.30150 Direct Brown 175 6528-58-1